A memory leak in the sof_dfsentry_write() function in sound/soc/sof/debug.c in the Linux kernel through 5.3.9 allows attackers to cause a denial of service (memory consumption), aka CID-c0a333d842ef.
https://security.netapp.com/advisory/ntap-20191205-0001/
https://github.com/torvalds/linux/commit/c0a333d842ef67ac04adc72ff79dc1ccc3dca4ed